In this note, we investigate the causal link between market concentration and markups in a retail setting. We study the Washington retail cannabis industry, which features exogenous variation in market concentration that resulted from retail licenses being awarded via lotteries. We observe...

In this study we investigate the effects of Price Matching Guarantees (PMGs) commercial policies on U.S. online consumer electronics daily prices. By applying a Diff-in-Diff identification strategy we find evidence in favor of price reductions occurring after the PMG policy is repealed. We...

This paper deals with the issue of transparency in the pricing process for motor fuels, vis-à-vis the collusion charges between oil companies (for which no evidence is found) and the «myth» of «one» national price for motor fuels. Such an approach ignores both the competition between oil...

Prices that end with 9, also known as psychological price points, are common, comprising about 70% of the retail prices. They are also more rigid than other prices. We take advantage of a natural experiment to document an emergence of a new price ending that has the same effects as 9-endings. In...

This paper develops a framework for studying the optimal product range choice of a multiproduct intermediary when consumers demand multiple products. In the optimal product selection, the intermediary uses exclusively stocked high-value products to increase store traffic, and at the same time...

This paper examines one of the most important marketing strategies by software producers on the Internet. That is whether to offer free samples and if so, whether to list the samples on shareware repositories. I show that firms with higher value products have a greater incentive to offer free...

A characteristic of the news market is that consumers often cross-check information, i.e. observe several news outlets. At the same time, data on political media suggest that more partisan consumers are more likely to cross-check. We explore these phenomena by building a model of horizontal...